<template>
    <div class="list" ref="wrapper">
        <div>
            <div class="area">
                <div class="title border-topbottom">当前城市</div>
                <div class="button-list">
                    <div class="button-wrapper">
                        <div class="button"> {{this.$store.state.city}}</div>
                    </div>
                </div>
            </div>
            <div class="area">
                <div class="title border-topbottom">热门城市</div>
                <div class="button-list">
                    <div class="button-wrapper" v-for="item of hot" :key="item.id" @click="handleClickCity(item.name)">
                        <div class="button"> {{item.name}}</div>
                    </div>
                </div>
            </div>
            <div class="area" v-for="(item ,key) of cities" :key="key" :ref="key">
                <div class="title border-topbottom">{{key}}</div>
                <div class="item-list" v-for="innerItem of item" :key="innerItem.id"  @click="handleClickCity(innerItem.name)">
                    <div class="item border-bottom"  >
                        {{innerItem.name}}
                    </div>
                </div>
            </div>
        </div>
    </div>
</template>

<script>
    import BScroll from "better-scroll";
    export default {
        name: "CityList",
        props: {
            hot: Array,
            cities: Object,
            letter: String
        },
        methods: {
            handleClickCity(city) {
             //this.$store.dispatch('changeCity',city)
             this.$store.commit('changeCity',city)
             this.$router.push('/')
            }

        },
        mounted() {
            this.scroll = new BScroll(this.$refs.wrapper);
        },
        watch: {
            letter() {
                if (this.letter) {
                    const element = this.$refs[this.letter][0]
                    this.scroll.scrollToElement(element)
                }
            }
        },
    };
</script>
<style lang="stylus" scoped>
@import '~styles/varibles.styl';

.border-topbottom {
    &:before {
        border-color: #ccc;
    }
}

.border-bottom {
    &:before {
        border-color: #ccc;
    }

    &:after {
        border-color: #ccc;
    }
}

.list {
    overflow: hidden;
    position: absolute;
    top: 1.58rem;
    left: 0;
    right: 0;
    bottom: 0;
}

.title {
    line-height: 0.54rem;
    background: #eee;
    padding-left: 0.2rem;
    color: #666;
    font-size: 0.26rem;
}

.button-list {
    overflow: hidden;
    padding: 0.1rem 0.6rem 0.1rem 0.1rem;

    .button-wrapper {
        float: left;
        width: 33.33%;

        .button {
            padding: 0.1rem 0;
            text-align: center;
            margin: 0.1rem;
            border: 0.02rem solid #ccc;
            border-radius: 0.06rem;
        }
    }
}

.item-list {
    .item {
        line-height: 0.76rem;
        color: #666666;
        text-align: left;
        padding-left: 0.2rem;
    }
}
</style>

